Home / 758,216.70-1,137,485.43-284,906.16

Finding the Fourth Proportional to 758,216.70, 1,137,485.43 and 284,906.16

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Solution

The fourth proportional to 758,216.70, 1,137,485.43 and 284,906.16 is: 427,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,216.70 : 1,137,485.43 = 284,906.16 : x
  2. Step 2: Convert to fraction form
    758,216.70/1,137,485.43 = 284,906.16/x
  3. Step 3: Cross multiply
    758,216.70x = 1,137,485.43 × 284,906.16
  4. Step 4: Simplify right side
    758,216.70x = 324,076,605,917.25
  5. Step 5: Solve for x
    x = 324,076,605,917.25/758,216.70
  6. Step 6: Final answer
    x = 427,419.50

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.